These small plastic devices are self adhesive to stick to your desk (either underneath, on the sides, on the legs, on top or wherever), and have one or two or three slots in them for you to insert and hold a cable or cables in place (such as USB, speaker, hub, mouse or keyboard cable etc), and are durable and long lasting that support a wide variety of device cables and include easy to remove 3M adhesive backing to prevent any damage to your desktop.